#!/bin/sh

# Registration expiry date of a domain

command -v whois > /dev/null 2>&1 || { echo "whois not found" >&2; exit 1; }

DOMAIN="example.com"

raw_date="$(whois "$DOMAIN" | grep -i -m1 -E "expir(y|ation) date" | cut -d: -f2- | sed 's/^ *//')"
date -d "$raw_date" +%Y-%m-%d